1.1 is "silky" 1.7 isn't rough but definitely rougher.
Also you can see the threads in 1.7 much easier when you view light through it.
The happiest people don't have the best of everything; They just make the best of everything.
The richest person is not the one who has the most but the one who needs the least. (unkown)
and of course There are A LOT of chickens in China.
NPR correspondent-- Hong Kong